638420145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3869213}}^1$

素因数の和:3869232

約数の個数: 16

約数和(自身を含む): 1114333632

約数和(自身を除く): 475913487

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 3869213, 11607639, 19346065, 42561343, 58038195, 127684029, 212806715, 638420145]

約数ペア:

[(1, 638420145), (3, 212806715), (5, 127684029), (11, 58038195), (15, 42561343), (33, 19346065), (55, 11607639), (165, 3869213)]